The entrance to the John Glenn Astronomy Park is about 0.9 miles to the West of the Old Man's Cave Visitor's Center along route 664. Most visitors will take route 33 to Logan Ohio and exit on Route 664. The Hocking Hills State Park is 11 winding miles down this road.

Visitors who are coming from the southwest along route 664 will find the JGAP 3.8 miles from South Bloomingville.

Our mailing address is:

20294 S.R. 664, Logan, Oh, 43138

However this address, when placed in map apps or sites, such as maps.google.com, doesn't take you to the proper location. With your GPS unit or app, use the following address:

The John Glenn Astronomy Park is a project of the Friends of the Hocking Hills State Park, a non-profit (501c3) membership organization for people who love the Hocking Hills and take special interest in improving Park features and preserving it for the enjoyment of future generations. Please visit the FOHHSP website for more information about other projects and activities. Contact FOHHSP: (877) 40FHHSP (403-4477) or president@friendsofhockinghills.org